FIELD: engines and pumps.
SUBSTANCE: proposed unit comprises rotary pump 1 with casing 4 communicating ejector system 2 with gas and solids separator 7. Casing chamber on inlet side of pump 1 is communicated with well annular space via opening 12.
EFFECT: possibility to decrease feed of extracted fluid.
1 dwg
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Authors
Dates
2013-02-10—Published
2011-06-14—Filed